#115BB0 is a mid-toned, cool indigo. On the Color Lab it reads clean and engineered. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #115BB0 works with other colors. Named schemes with #115BB0 in its natural role, and a note on why the supporting colors balance it.
Denim Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Denim Blue is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Denim Blue.
Denim Blue plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Denim Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Denim Blue is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Denim Blue carrying the quiet middle.
How #115BB0 actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.
Not a swatch to memorise — a color to build with. Here is #115BB0 at work across the surfaces designers actually ship.
:root {
--color-base: #115BB0;
--color-base-rgb: 17 91 176;
--color-base-oklch: oklch(47.9% 0.152 255.9);
--color-50: #F0F7FE;
--color-100: #D9E9FC;
--color-200: #B5D4F8;
--color-300: #83B4ED;
--color-400: #5594DD;
--color-500: #3276C3;
--color-600: #2E5D94;
--color-700: #264569;
--color-800: #1D2F44;
--color-900: #141E2A;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
denim-blue: {
50: '#F0F7FE',
100: '#D9E9FC',
200: '#B5D4F8',
300: '#83B4ED',
400: '#5594DD',
500: '#3276C3',
600: '#2E5D94',
700: '#264569',
800: '#1D2F44',
900: '#141E2A',
},
}
$base: #115BB0; $base-ink: #FFFFFF; $base-50: #F0F7FE; $base-100: #D9E9FC; $base-200: #B5D4F8; $base-300: #83B4ED; $base-400: #5594DD; $base-500: #3276C3; $base-600: #2E5D94; $base-700: #264569; $base-800: #1D2F44; $base-900: #141E2A; $base-hover: #0E498D; $base-subtle: #B2CEED;
{
"color": {
"base": {
"value": "#115BB0",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F0F7FE",
"type": "color"
},
"100": {
"value": "#D9E9FC",
"type": "color"
},
"200": {
"value": "#B5D4F8",
"type": "color"
},
"300": {
"value": "#83B4ED",
"type": "color"
},
"400": {
"value": "#5594DD",
"type": "color"
},
"500": {
"value": "#3276C3",
"type": "color"
},
"600": {
"value": "#2E5D94",
"type": "color"
},
"700": {
"value": "#264569",
"type": "color"
},
"800": {
"value": "#1D2F44",
"type": "color"
},
"900": {
"value": "#141E2A",
"type": "color"
}
}
}
}